Woon-jung "Chella" Choi (born 25 August 1990)[1] is a South Korean professional golfer.

Choi played on the Duramed Futures Tour in 2008 with a best finish of T-2 at the Bright House Networks Open.

Her first professional victory came on 19 July 2015, at the LPGA Tour's Marathon Classic, where she defeated Jang Ha-na in a playoff.

For the first eight years of Choi's professional career, her father was her caddie and vowed to remain until she won.

This biographical article relating to golf in South Korea is a stub.